Third Watch is an American crime drama series which first aired on NBC from 1999 to 2005, for a total of 132 episodes, broadcast in six seasons of 22 episodes each.The show was set and filmed in New York City, and with an ensemble cast of characters, the storylines centered on the lives of police officers of the New York City Police Department (NYPD) and the firefighters and paramedics of the New York City Fire Department (FDNY), all working the same fictional precinct during the 3 pm to 11 pm shift - the 'Third Watch'.After the September 11 attacks hit New York in 2001, season 3 opened with the award-winning episode "In Their Own Words", which aired on October 15, 2001, and featured interviews with real-life NYPD and FDNY members who responded to the attacks.